617
FZUS51 KBOX 290205
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1005 PM EDT MON SEP 28 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-291500-
1005 PM EDT MON SEP 28 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A SLOW MOVING NOR'EASTER WILL MOVE ACROSS THE REGION OVERNIGHT AND
THEN TO THE GULF OF MAINE FOR TUESDAY. HIGH PRESSURE WILL BUILD INTO
THE AREA FOR WEDNESDAY, AND THEN BE POSITIONED OVER THE ATLANTIC
WELL TO OUR SOUTHEAST FOR THURSDAY AND FRIDAY.
ANZ250-291500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1005 PM EDT MON SEP 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
OVERNIGHT
NE WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS UP TO 20 KT. SEAS 5 TO 6 FT. WAVE DETAIL: NE 5 FT AT
7 SECONDS AND SE 2 FT AT 8 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS. VSBY 1 NM OR LESS.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING N
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: N 4 FT
AT 6 SECONDS AND SE 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
TUE NIGHT
N WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND N 2 FT AT 5 SECONDS.
WED
NW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND N 1 FOOT AT 2 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E
3 FT AT 9 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT, BECOMING E. SEAS 2 TO
3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-291500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1005 PM EDT MON SEP 28 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
OVERNIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
PATCHY FOG. A CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
TUE
NW WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT. WAVE DETAIL: N 4 FT AT 7 SECONDS AND
SE 1 FOOT AT 8 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO
3 NM.
TUE NIGHT
NW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND SW 2 FT AT 4 SECONDS.
WED
NW WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND N 1 FOOT AT
5 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 7 SECONDS AND E
3 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND E 2 FT AT 8 SECONDS.
FRI NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT, BECOMING E. SEAS AROUND
2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-291500-
CAPE COD BAY-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
E WINDS AROUND 5 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT
7 SECONDS AND S 1 FOOT AT 8 SECONDS. PATCHY FOG. A CHANCE OF
SHOWERS. A SLIGHT CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
TUE
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 6 SECONDS AND E
3 FT AT 9 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
TUE NIGHT
N WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
WED
N WINDS AROUND 5 KT, BECOMING NE AROUND 5 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT 5 SECONDS
AND S 1 FOOT AT 7 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E
2 FT AT 8 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND E 1 FOOT AT 4 SECONDS.
FRI NIGHT AND SAT
NW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT
WITH GUSTS UP TO 20 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-291500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1005 PM EDT MON SEP 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT TUESDAY
OVERNIGHT
SE WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT. SEAS
4 TO 6 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND S 3 FT AT
7 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS. VSBY 1 NM OR
LESS.
TUE
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 3 TO 5 FT. WAVE DETAIL: NE 4 FT AT 7 SECONDS AND S 3 FT AT
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND N 2 FT AT 5 SECONDS.
WED
NW WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND N 1 FOOT AT 5 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E
3 FT AT 9 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
FRI NIGHT AND SAT
W WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT
WITH GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-291500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1005 PM EDT MON SEP 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY
OVERNIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S
5 FT AT 7 SECONDS AND NE 4 FT AT 7 SECONDS. PATCHY FOG. VSBY 1 TO
3 NM, DECREASING TO 1 NM OR LESS.
TUE
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 4 FT
AT 7 SECONDS AND E 3 FT AT 8 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N
3 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS.
WED
N WINDS AROUND 5 KT, BECOMING NW AROUND 5 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND E
2 FT AT 9 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND E 1 FOOT AT 5 SECONDS.
FRI NIGHT AND SAT
W WINDS 10 TO 15 KT, BECOMING NE. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-291500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1005 PM EDT MON SEP 28 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT TUESDAY
OVERNIGHT
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG. VSBY 1 TO
3 NM, DECREASING TO 1 NM OR LESS.
TUE
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND NW 2 FT AT 3 SECONDS.
TUE NIGHT
W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND NE 2 FT AT
8 SECONDS.
WED
N WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND NW 1 FOOT AT
3 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
5 SECONDS.
FRI NIGHT AND SAT
W WINDS 10 TO 15 KT, BECOMING NE WITH GUSTS
UP TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-291500-
NANTUCKET SOUND-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
S WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 7 SECONDS AND NE 2 FT AT
8 SECONDS. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS. VSBY 1 NM OR
LESS.
TUE
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND E
2 FT AT 8 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR
LESS.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
WED
N WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 5 SECONDS AND SW 1 FOOT AT
6 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND S
2 FT AT 7 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT
8 SECONDS.
FRI NIGHT AND SAT
W WINDS 10 TO 15 KT, BECOMING N. SEAS AROUND
2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-291500-
VINEYARD SOUND-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND N 2 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
TUE
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 7 SECONDS AND NW 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
TUE NIGHT
N WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 6 SECONDS AND NE 2 FT AT 9 SECONDS.
WED
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 5 SECONDS AND N 1 FOOT
AT 6 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
NE 1 FOOT AT 4 SECONDS.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND W 1 FOOT AT 2 SECONDS.
FRI NIGHT AND SAT
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO
15 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-291500-
BUZZARDS BAY-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 6 SECONDS AND SW 2 FT AT 7 SECONDS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
TUE
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
2 FT AT 6 SECONDS AND SW 2 FT AT 7 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
TUE NIGHT
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: N 1 FOOT AT 5 SECONDS AND SW 1 FOOT AT 6 SECONDS.
WED
N WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT IN THE
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT
5 SECONDS AND N 1 FOOT AT 7 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
NE 1 FOOT AT 4 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SW 2 FT AT 6 SECONDS.
FRI NIGHT AND SAT
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO
15 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-291500-
RHODE ISLAND SOUND-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND N 1 FOOT AT 5 SECONDS. PATCHY FOG. VSBY
1 NM OR LESS, INCREASING TO 1 TO 3 NM.
TUE
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND N
2 FT AT 4 SECONDS.
TUE NIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND NE 2 FT AT
8 SECONDS.
WED
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: N 2 FT AT 6 SECONDS AND S 1 FOOT AT
7 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 6 SECONDS AND
SW 2 FT AT 3 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND W 1 FOOT AT
3 SECONDS.
FRI NIGHT AND SAT
NW WINDS 10 TO 15 KT, BECOMING NE. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-291500-
BLOCK ISLAND SOUND-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
NW WINDS AROUND 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
S 4 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS. PATCHY FOG.
TUE
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS AND E 2 FT AT 9 SECONDS.
TUE NIGHT
NW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 7 SECONDS AND NE 1 FOOT AT
4 SECONDS.
WED
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 2 FT AT 7 SECONDS AND SE 2 FT AT
9 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND SW
2 FT AT 3 SECONDS.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND SE 1 FOOT AT 2 SECONDS.
FRI NIGHT AND SAT
NW WINDS 5 TO 10 KT, BECOMING NE 10 TO
15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-291500-
BOSTON HARBOR-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
N WINDS 10 TO 15 KT. WAVES AROUND 2 FT. PATCHY FOG.
A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, EXCEPT 2 TO
4 FT AT THE OUTER HARBOR ENTRANCE. PATCHY FOG IN THE MORNING WITH
VSBY 1 TO 3 NM.
TUE NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
WED
NW WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT. WAVES AROUND
2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS.
SAT AND SAT NIGHT
N WINDS 5 TO 10 KT, BECOMING E. WAVES 1 FOOT
OR LESS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-291500-
NARRAGANSETT BAY-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
NW WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. PATCHY FOG. A
SLIGHT CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
TUE
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
TUE NIGHT
N WINDS AROUND 5 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS.
WED
N WINDS AROUND 5 KT, BECOMING SW IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. WAVES 2 TO 3 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF
SHOWERS.
SAT AND SAT NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-291500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
E WINDS 5 TO 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL: NE
5 FT AT 7 SECONDS AND S 2 FT AT 8 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS. VSBY 1 NM OR LESS.
TUE
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND N 3 FT AT 5 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E
3 FT AT 9 SECONDS.
WED
N WINDS 5 TO 10 KT, BECOMING NW IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: N 3 FT AT 4 SECONDS AND E 3 FT AT
9 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 4 SECONDS AND E
3 FT AT 9 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
FRI NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. A CHANCE OF SHOWERS.
SAT AND SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NE 5 TO 10 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-291500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 7 FT. WAVE DETAIL: N
5 FT AT 6 SECONDS AND S 5 FT AT 8 SECONDS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
TUE
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND E 4 FT AT 9 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND S 3 FT AT 7 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND N 2 FT AT 5 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E
3 FT AT 9 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND E 2 FT AT 8 SECONDS.
FRI NIGHT AND SAT
W WINDS 10 TO 15 KT, BECOMING N. GUSTS UP TO
20 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS AROUND 10 KT. SEAS 3 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-291500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
6 TO 8 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND NE 4 FT AT
6 SECONDS. PATCHY FOG WITH VSBY 1 NM OR LESS.
TUE
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 7 SECONDS AND NW 4 FT AT
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SW
3 FT AT 6 SECONDS AND E 3 FT AT 9 SECONDS.
WED
N WINDS AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND SW 2 FT AT 6 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND E
3 FT AT 9 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
FRI NIGHT AND SAT
W WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT.
SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-291500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1005 PM EDT MON SEP 28 2026
OVERNIGHT
W WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS AND E 4 FT AT
9 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
TUE
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 4 TO 5 FT. WAVE DETAIL: NW 5 FT AT 4 SECONDS AND SW 4 FT AT
7 SECONDS.
TUE NIGHT
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND NW 2 FT AT 5 SECONDS.
WED
N WINDS AROUND 5 KT. SEAS AROUND 3 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND S 2 FT AT 7 SECONDS.
WED NIGHT THROUGH THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E
3 FT AT 9 SECONDS.
FRI
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
FRI NIGHT AND SAT
W WINDS 10 TO 15 KT, BECOMING NE WITH GUSTS
UP TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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